12383432172157 has 4 divisors (see below), whose sum is σ = 12383606984896. Its totient is φ = 12383257359420.

The previous prime is 12383432172127. The next prime is 12383432172193. The reversal of 12383432172157 is 75127123438321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12383432172157 - 2⁷ = 12383432172029 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12383432172157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12383432172127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87300069 + ... + 87441802.

It is an arithmetic number, because the mean of its divisors is an integer number (3095901746224).

Almost surely, 2^{12383432172157} is an apocalyptic number.

It is an amenable number.

12383432172157 is a deficient number, since it is larger than the sum of its proper divisors (174812739).

12383432172157 is an equidigital number, since it uses as much as digits as its factorization.

12383432172157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174812738.

The product of its digits is 1693440, while the sum is 49.

The spelling of 12383432172157 in words is "twelve trillion, three hundred eighty-three billion, four hundred thirty-two million, one hundred seventy-two thousand, one hundred fifty-seven".